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Consulta: creatorFacets:"Poonsak Mekwatanakarn"
Registros recuperados: 5
Data/hora: 09/06/2017 08:14:55
การตรวจสอบความหลากหลายของสายพันธุ์เชื้ อราสาเหตุโรคไหม้ ของข้ าวในประเทศไทย
Provedor de dados: 106
Autores: Poonsak Mekwatanakarn; Payorm Cobelli; Acharaporn Na Lampang Noenplab; Thanomjit Rithmontree; Kulchana
Ketsuwan; Chanasirin Klinmanee; Sanguan Teang Deerith.
Rice blast disease is the major disease in rainfed lowland area of Thailand. The causal fungus of this disease is Pyricularia grisea
Sacc. Variation of this fungus was higher than other rice pathogens. This report used near isogenic lines (NILs) to detect the
variation, pathothype and virulence spectrum of the fungus in Thailand during 2002 - 2005. Trap blast nurseries consisted of 9
Thai local cultivars and 18 NILs were conducted at Ubon Ratchathani Rice Research Center, Khon Kaen Rice Research Center,
Phrae Rice Research Center, Phitsanulok Rice Research Center, and Phatthalung Rice Research Center. Single conidia was
isolated from infected rice leaves. Virulence spectrum of blast populations were screened on 18 NILs. Two thousand four hundred
seventy...
Tipo: Collection
Palavras-chave: Rice; Blast disease; Pathotype; Near isogenic lines; Diversity; ข้าว; โรคไหม้; เชื้อสาเหตุ; สายพันธุ์เชื้อ; ยีนต้านทานเดี่ยว;
ความหลากหลายของเชื้อ; เชื้อรา.
Ano: 2007
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5300
การจัดทาลายพิมพ์เอกลักษณ์ ดเี อ็นเอข้ าวพืน้ เมืองไทยที่เก็บอยู่ในธนาคารเชื้อพันธุ์ข้าวแห่ งชาติ
Provedor de dados: 106
Autores: Payorm Cobelli; Varapong Chamarerk; Poonsak Mekwatanakarn; Phikul Leelagud; Somsong Chotechuen; Sommai
Seewisut.
SSR molecular markers SSR are tandem arranged repeats of short DNA motifs (1-6 bp in length) distributed throughout the
genome that frequently exhibit variation in the number of repeats at the locus of each rice variety. The SSR markers, therefore, are
suitable for detecting polymorphisms between closely related genotypes of Thai local rice varieties from the National Rice
Germplasm Bank. In this research, DNA fingerprinting was conducted using 8 Thai local rice varieties. i.e., Niaw Sanpahtawng
(NSPT_GB), Khao Gaw Diaw (KGD_GB), Niaw Dam (ND_GB), Khao tah Haeng 17 (KTH17_GB), Jao’ Haw (JH_GB), Pin
Gaew 56 (PG56_GB), Jek Chuey Gahb Khiaw (JCGK_GB), Sang Yod Pattalung (SYPL_GB), and 5 standard varieties, i.e., Khao
Dawk Mali 105 (KDML105_GB, KDML105_C),...
Tipo: PhysicalObject
Palavras-chave: Thai local rice; DNA fingerprinting; Molecular markers; National Rice Germplasm Bank; ข้าวพื้นเมืองไทย;
ลายพิมพ์เอกลักษณ์ดีเอ็นเอ; เครื่ องหมายโมเลกุล; การเรี ยงตัวของดีเอ็นเอ; ความใกล้ชิดทางพันธุกรรม; พันธุ์.
Ano: 2012
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5225
ความก้าวหน้ าการผนวกยีนความต้ านทานโรคไหม้ ดินเค็ม และเพลีย้ กระโดดสี นา้ ตาล ให้ ข้าวขาวดอกมะลิ 105 โดยใช้ เครื่ องหมายโมเลกุล
Provedor de dados: 106
Autores: Uraiwan Kotchasatit; Poonsak Mekwatanakarn; Jirapong Jairin; Duangjai Suriya-arunroj; Varapong Chamarerk;
Anuchart Kotchasatit; Krissana Sattyakul.
Most farmers in the Northeastern Thailand grow Khao Dawk Mali 105, a non-glutinous variety because of its premium cooking
and eating quality and its aroma. However, KDML105 is susceptible to blast, brown planthopper and soil salinity. In order to
maintain its yield stability, it is necessary to incorporate those above mentioned traits into KDML105 background. By using
molecular markers to select for those plants carrying the target genes in each generation, it will help improving the selection
efficiency in term of accuracy and time consumed. The experiment was conducted at Ubon Ratchathani Rice Research Center
during 2007-2012 using the lines derived from the backcrossing program of KDML105; UBN03004 (IR77955-14-17*2/B.T) and
UBN03007...
Tipo: PhysicalObject
Palavras-chave: Khao Dawk Mali 105; Glutinous rice; Blast resistance; Brown planthopper resistance; Salt tolerance; ข้าวเจ้า;
พันธุ์ขาวดอกมะลิ 105; โรคไหม้; เพลี้ยกระโดดสี น้ าตาล; ดินเค็ม; การถ่ายทอดยีน; ความต้านทานต่อโรค; ความต้านทานต่อแมลง; ความทนทานดินเค็ม.
Ano: 2013
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5598
การตรวจวิเคราะห์ สินค้าข้ าวดัดแปรงพันธุกรรมด้ วยปฏิกริ ิยาลูกโซ่ ในสภาพเวลาจริง
Provedor de dados: 106
Autores: Varapong Chamarerk; Roongnapa Kawichai; Payorm Cobelli; Poonsak Mekwatanakarn.
Currently, there are several reports on GM rice illegally available on market. To set up a defense measure in order to prevent GM
contamination in Thai rice market, this activity was conducted by analyzing for CaMV 35S Promoter, NOS terminator and a
transgene CryIA(b), which were carrying by the Bt63 rice. The Bt63 rice is an insect-resistant rice variety developed by the
People Republic of China. The analyses were done by using a Real-Time PCR technique. DNA samples were extracted from rice
products using a GeneScan extraction method and confirmed by a PCR using a primer pair KVM159/KVM160, which amplifies a
rice species specific PLD gene encoding for an enzyme Phospholipase D. It was found that all samples could be amplified
showing a PLD gene with a...
Tipo: Collection
Palavras-chave: GM rice; Bt63 rice; Real-time PCR; ข้าวดัดแปรพันธุกรรม; ข้าว Bt63; ปฏิกิริยาลูกโซ่ แบบในสภาพเวลาจริ ง.
Ano: 2015
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5850
การตรวจวิเคราะห์ ข้าวและสินค้าข้ าวดัดแปรพันธุกรรมด้ วยปฏิกริ ิยาลูกโซ่ ในสภาพเวลาจริง
Provedor de dados: 106
Autores: Varapong Chamarerk; Roongnapa Kawichai; Payorm Cobelli; Poonsak Mekwatanakarn.
Genetically modified (GM) insecticidal rice line, Bt63 (Shanyou63), has been developed in China and found unauthorized in
processed rice products in many countries. This transgenic rice contains a copy of the synthetic DNA sequence with two genes:
CryIA(b) and CryIA(c). These genes encode for the respective Bt toxins which is lethal to Lepidoptera. The aim of this study was
to determine the contamination of Bt63 in non-labelled commercially available processed rice products from supermarkets. In this
study, a real-time Polymerase Chain Reaction (PCR) was used to simultaneously determine the contamination of Bt63. The survey
was conducted on a total of 21 and 42 non-labeled samples of processed rice products collected in the years 2011 and 2012,...
Tipo: Collection
Palavras-chave: GM rice; Bt63; Real-time PCR; ข้าวดัดแปรพันธุกรรม; Bt63; ปฏิกิริยาลูกโซ่ โพลีเมอเรสแบบเวลาจริ ง.
Ano: 2015
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5923